element三级联动实现省市区选择

<el-cascader
    clearable
    :options="pcas"
    ref="cascaderAddr"
    v-model="selectedOptions"
    @change="handleChange">
</el-cascader>
<script>
	import pcas from '../../assets/js/city.json'
export default {
	data: function () {
      return {
        // 省市区选择
        pcas,
        selectedOptions: [],
        //省市区选择
        regionList: [],
        region: [],
       }
    },
    methods:{
    	// 获取省市区地址级联
      handleChange(e, form, thsAreaCode, value) {
        if (this.$refs['cascaderAddr'].getCheckedNodes()[0] != undefined){
          thsAreaCode = this.$refs['cascaderAddr'].getCheckedNodes()[0].pathLabels// 注意2: 获取label值
          console.log(thsAreaCode) // 注意3: 最终结果是个一维数组对象
          this.regionList = thsAreaCode
          this.region = thsAreaCode[0] + thsAreaCode[1] + thsAreaCode[2]
          this.searchfrom.area = thsAreaCode[2]
          // console.log(this.region)
          // console.log(this.regionList)
          // console.log(this.selectedOptions)
        }else {
          this.searchfrom.area = ''
          this.selectedOptions = []
          this.region = []
          this.regionList = []
        }

      },
    }
}
</script>

省市区文件
链接:https://pan.baidu.com/s/1KxjtD9Cdds0phh2Wsc7pgA?pwd=8888
提取码:8888

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